Piercing pin



FIG, 1 is a perspective view of our piercing pin in accordance with our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is a cross section view thereof taken through line 8-8 in FIG. 2; and,

FIG. 9 is a cross section view thereof taken through line 9-9 in FIG. 2.

The broken lines in FIGS. 1-7 are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for our piercing pin, as shown and described. 